I don't know whether this helps you, but the 4JB1 diesel uses the same fan as the 4ZE1 gasoline engine (different clutch, same blade) as I've swapped them myself. Maybe the C223 fan is similar to the gas engine's fan from the same vintage Isuzu?


1988 Isuzu Trooper LS
2.8l Isuzu 4JB1-TC intercooled turbo diesel
www.dieseltrooper.blogspot.com